Objects in the image:
category: person
category: person
category: tennis racket
category: sports ball
category: person
category: person

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it something on the tennis court?
a: Yes
q: Is it the yellow tennis ball?
a: Yes
q: Is this everything I need to know?
a: Yes